5 Very Common Interview Questions:

1.Introduce yourself.
                 First Impression is the best impression, so be prepared for this question first. Always keep your answers short and sweet. Avoid telling your family details. Instead of that, you can tell your education details , your Projects, your interests , your long term and short term goals , your strenghts. Dont be fast nor slow.
Dont be agressive . Make your statements simple and understandable.

2.How do you know about our company?
         Always do research before going for an interview.Dont avoid this. Learn from their reports,news,projects taken.But before that check whether that company  is "product based company" or "project based company".

3.Why you are qualified for this particular position in our company?

           Tell your past experiences in your own projects and tell them that you have done all activities related to their field. If you had done any certifications then tell them.But dont always stress repeated statements.
Dont use new words from dictionary.

4.What are ur strengths?

         Tell them that you are a  hardworker, customer oriented,calm,diligent,loyality, willingness to learn, and most of all flexibilty i.e say that you are flexible to work at any time and any where.Also cite with an example.

5.What are ur weaknesses?

            A tough question.Do not say that I have no weakness all times.Do not avoid this question.
Wrap up positive answer in this question.If you have any specific weakness, then tell them that you have reduced that weakness to 50% or 60 % by  taking necessary steps.

FINAL NOTE: Be aware that Interview is conducted only for improvement of company i.e. for their own development and not for u. So prove them that you will add value to their company.